Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
8320861
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
332834441928.3old
15976053131030.62008-09-08 04:30:16
141248945355188046712063.62017-03-27 11:17:03
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-14Oliver Kruse7BDE27B85144C1903377151753
Verified
PRP without proof (not generated)
2020-04-19oodaira7BDE27B85144C1903777506253
History
DateUserTypeResult
2024-03-06Stef42NF-PM1B1=3000000, B2=6084299130
2020-04-19oodairaC-PRP
M8320861/332834441/1597605313/14124894535518804671 : 7BDE27B85144C190
2018-10-14Oliver KruseC-PRP
M8320861/332834441/1597605313/14124894535518804671 : 7BDE27B85144C190
2017-03-27TJAOIFFactor: 14124894535518804671
2008-09-08Will EdgingtonFFactor: 1597605313